Effects of St. John's Wort on the Oral Contraceptive Hormone Levonorgestrel

NCT00131885 · clinicaltrials.gov ↗

PHASE4

Phase

COMPLETED

Status

36

Enrollment

OTHER

Sponsor class

Conditions

Contraception

Interventions

DIETARY_SUPPLEMENT: Placebo Control (Placebo Herb)
DIETARY_SUPPLEMENT: St. John's Wort
DRUG: Levonorgestrel

Sponsor

University of Utah

Collaborators

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